Home / 230,418.66-317,984.49-134,916.42

Finding the Fourth Proportional to 230,418.66, 317,984.49 and 134,916.42

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Solution

The fourth proportional to 230,418.66, 317,984.49 and 134,916.42 is: 186,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,418.66 : 317,984.49 = 134,916.42 : x
  2. Step 2: Convert to fraction form
    230,418.66/317,984.49 = 134,916.42/x
  3. Step 3: Cross multiply
    230,418.66x = 317,984.49 × 134,916.42
  4. Step 4: Simplify right side
    230,418.66x = 42,901,329,006.33
  5. Step 5: Solve for x
    x = 42,901,329,006.33/230,418.66
  6. Step 6: Final answer
    x = 186,188.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.